Skype is a free VoIP (voice over Internet Protocol) application for a number of operating systems and mobile platforms. Using Skype, you can make free or discounted phone calls all over the world with an Internet connection. If you're experiencing call quality issues while using Skype, you can make adjustments to improve your reception. In turn, you should have clearer audio, less lag and fewer drops while making Skype calls.

Calling your friends and family internationally makes all the difference when you don't have to worry about long-distance charges. Regardless of where your loved ones live in the world, you don't have to worry about a high phone bill with overage costs for going over your minutes or incurring international charges for long-distance calling. With the proper software and mobile phone, you can take advantage of free calling using your mobile phone's Internet connection, also called Voice over Internet Protocol, or VoIP. You can use Wi-Fi or a 3G network.